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2021 Mar 400-051 brain dumps

Q121. Which capability is support by LLDP-MED but not by Cisco Discovery Protocol? 

A. LAN speed discovery 

B. network policy discovery 

C. location identification discovery 

D. power discovery 

E. trust extension 

Answer:


Q122. Which two mechanisms does Cisco EnergyWise use for neighbor discovery? (Choose two.) 

A. multicast 

B. LLDP-MED 

C. UDP broadcast 

D. Cisco Discovery Protocol 

E. TCP 

Answer: CD 


Q123. Which two statements describe characteristics of Cisco Unified Border Element high availability, prior to Cisco IOS release 15.2.3T, using a box-to-box redundancy configuration? (Choose two.) 

A. It leverages HSRP for router redundancy and GLBP for load sharing between a pair of routers. 

B. Cisco Unified Border Element session information is check-pointed across the active and standby router pair. 

C. It supports media and signal preservation when a switchover occurs. 

D. Only media streams are preserved when a switchover occurs. 

E. It can leverage either HSRP or VRRP for router redundancy. 

F. The SIP media signal must be bound to the loopback interface. 

Answer: BD 


Q124. You have implemented 5-digit forced authorization codes to all international route patterns on Cisco Unified Communications Manager. Your users report that after entering the FAC codes, they must wait for more than 10 seconds before the call is routed. 

Which procedure eliminates the wait time? 

A. Check and eliminate any existing route patterns that overlap with the international route pattern. 

B. Go to the Cisco Unified Communications Manager Service Parameters and reduce the T-304 number to 5000 milliseconds. 

C. Request your long distance telephone service provider to reduce the call setup time to 5 seconds. 

D. Configure a # (hash) sign to the end of the forced authorization codes to signal the end of dialing. 

E. Educate the users to press # (hash) after entering the forced authorization codes. 

Answer:


Q125. Which Device Pool configuration setting will override the device-level settings only when a device is roaming within a device mobility group? 

A. Region 

B. Location 

C. SRST Reference 

D. Calling Party Transformation CSS 

E. Media Resource Group List 

Answer:


Replace 400-051 exam:

Q126. Refer to the exhibit. 

All displayed devices are registered to the same Cisco Unified Communications Manager server and the phones are engaged in an active call. Assuming the provided configurations exist at the phone line level and multicast MOH is disabled clusterwide, what will happen when the user of IP Phone A presses the Transfer softkey? 

A. The IP Phone B user hears audio source 3 from MOH Server A. 

B. The IP Phone B user hears audio source 4 from MOH Server B. 

C. The IP Phone B user hears audio source 3 from MOH Server B. 

D. The IP Phone B user hears audio source 2 from MOH Server B. 

E. The IP Phone A user hears no on-hold music. 

Answer:


Q127. Refer to the exhibit. 

Assume the B-ACD configuration on a Cisco IOS Cisco Unified Communications Manager Express router is operational. What will happen to a call in queue that was not answered by any member of the hunt group after the maximum amount of time allowed in the call queue expires? 

A. The call will be forwarded to extension 2120. 

B. The call will be forwarded to extension 2220. 

C. The call will be forwarded to extension 2003. 

D. The call will be disconnected with user busy. 

E. The call will be forwarded to 2100. 

Answer:


Q128. Which statement about Cisco EnergyWise domain member neighbor formation is true? 

A. Cisco EnergyWise supports static neighbors, but the neighbor relationship is only possible.if a noncontiguous domain member and a contiguous domain member have a static neighbor entry pointing to each other. 

B. Cisco EnergyWise static neighbors can be formed even if domain members are not physically contiguous. 

C. Static neighbors can be manually defined on Cisco EnergyWise domain members, but TCP protocols must be used. 

D. Static neighbors can be manually defined on Cisco EnergyWise domain members, but they have a lower priority compared to the autodiscovered members. 

E. Static neighbors can be manually defined on Cisco EnergyWise domain members and the TCP or UDP protocol can be used. 

Answer:


Q129. Refer to the exhibit. 

If this SIP call is initiated using early offer, which SIP message will UA#2 use to communicate its media capability to UA#1? 

A. INVITE 

B. 180 Ringing 

C. 200 OK 

D. ACK 

E. RTP Media 

Answer:


Q130. A queued call has reached the maximum wait time configured for a Cisco Unified Communications Manager native call queue. 

Which statement about what happens to this queued call is true? 

A. Calls are handled according to the Forward Hunt No Answer settings on the Hunt Pilot configuration page. 

B. Calls are handled according to the When Maximum Wait Time Is Met settings on the Hunt Pilot Configuration page. 

C. Calls are handled according to the When Maximum Wait Time Is Met settings in Cisco Unified Communications Manager Service Parameters. 

D. Calls are handled according to the Not Available Hunt Option settings on the Line Group Configuration page. 

E. Calls are handled according to the When Queue Is Full settings on the Hunt Pilot Configuration page. 

Answer: